# Top 23 AI Startups in London, United States by Funding (2026)

> The 23 best-funded AI startups in London, United States, ranked by total funding raised: $1.6B combined.

Source: https://millionrounds.com/top-lists/ai-startups-london-united-states (Millionrounds; every figure on the page links to its filing or article)

- 1 [**World Labs** WorldLabs is a digital global innovation platform that fast-tracks the development of innovative ideas](https://millionrounds.com/company/world-labs) WorldLabs is a digital global innovation platform that fast-tracks the development of innovative ideas *Founded* 1917 London, United States **$1.0B** last round Feb 2026
- 2 [**Granola** Granola is a SAAS company that offers AI driven note-taking services.](https://millionrounds.com/company/granola) Granola is a SAAS company that offers AI driven note-taking services. *Founded* 2023 London, United States **$168M** last round Mar 2026
- 3 [**Cleo** Empower people to build a life beyond their next paycheck.](https://millionrounds.com/company/cleo) Empower people to build a life beyond their next paycheck. *Founded* 2016 London, United States **$132M** last round Jun 2022
- 4 [**Peak®** Peak’s mission is to help the world spend their time better using tools and technique borrowed from education, neuroscience and gaming.](https://millionrounds.com/company/peak) Peak’s mission is to help the world spend their time better using tools and technique borrowed from education, neuroscience and gaming. *Founded* 2012 London, United States **$116M** last round Jan 2024
- 5 [**Flock** London-based insurtech building the world's first fully digital insurance company for connected and autonomous commercial vehicles](https://millionrounds.com/company/flock) London-based insurtech building the world's first fully digital insurance company for connected and autonomous commercial vehicles *Founded* 2015 London, United States **$44M** last round Feb 2023
- 6 [**Tembo** Tembo is an event resource management firm that offers marketing, content production, and event management services.](https://millionrounds.com/company/tembo) Tembo is an event resource management firm that offers marketing, content production, and event management services. *Founded* 2014 London, United States **$36M** last round Feb 2026
- 7 [**Colossyan** Colossyan is an AI-driven content production technology company based in London, with additional hubs in Frederiksberg, Denmark, and Budapest, Hungary.](https://millionrounds.com/company/colossyan) Colossyan is an AI-driven content production technology company based in London, with additional hubs in Frederiksberg, Denmark, and Budapest, Hungary. *Founded* 2020 London, United States **$22M** last round Feb 2024
- 8 [**375ai** 375ai is a decentralized edge data intelligence network that focuses on structuring real-world physical data for AI.](https://millionrounds.com/company/375ai) 375ai is a decentralized edge data intelligence network that focuses on structuring real-world physical data for AI. *Founded* 2022 London, United States **$15M** last round Oct 2025
- 9 [**Zoe** ZOE Limited is a nutrition science and health technology company based in the United Kingdom.](https://millionrounds.com/company/zoe) ZOE Limited is a nutrition science and health technology company based in the United Kingdom. *Founded* 2017 London, United States **$15M** last round Jul 2024
- 10 [**Loop AI** Loop.AI gives your team AI superpowers by adding smart, named AI agents into your daily workflows.](https://millionrounds.com/company/loop-ai) Loop.AI gives your team AI superpowers by adding smart, named AI agents into your daily workflows. *Founded* 2017 London, United States **$14M** last round Feb 2026
- 11 [**Altitude** Altitude is a decentralized finance company that offers an automated borrowing protocol for cryptocurrency users.](https://millionrounds.com/company/altitude) Altitude is a decentralized finance company that offers an automated borrowing protocol for cryptocurrency users. *Founded* 2021 London, United States **$11M** last round Oct 2025
- 12 [**Filtered** Filtered is the world's leading learning recommendation platform](https://millionrounds.com/company/filtered) Filtered is the world's leading learning recommendation platform *Founded* 2009 London, United States **$10M** last round Mar 2022
- 13 [**Onyx** Onyx is a physical fitness center that provides personal training sessions for boxing and mobility.](https://millionrounds.com/company/onyx) Onyx is a physical fitness center that provides personal training sessions for boxing and mobility. *Founded* 2019 London, United States **$10M** last round Mar 2025
- 14 [**Veeve** Veeve is a home-sharing service that connects homeowners in London with visitors seeking short-term rentals.](https://millionrounds.com/company/veeve) Veeve is a home-sharing service that connects homeowners in London with visitors seeking short-term rentals. *Founded* 2011 London, United States **$6.7M** last round Oct 2022
- 15 [**Seamflow** Seamflow is a London-based AI software company that specializes in creating an AI-native operating system for the Testing, Inspection, and Certification (TIC) industry.](https://millionrounds.com/company/seamflow) Seamflow is a London-based AI software company that specializes in creating an AI-native operating system for the Testing, Inspection, and Certification (TIC) industry. *Founded* 2025 London, United States **$4.5M** last round Feb 2026
- 16 [**Disputed** Disputed.io develops legal automation and client service tools for litigation lawyers in the AI and security sectors.](https://millionrounds.com/company/disputed) Disputed.io develops legal automation and client service tools for litigation lawyers in the AI and security sectors. *Founded* 2018 London, United States **$2.1M** last round Sept 2026
- 17 [**Andco** AndCo is a coworking and meeting room booking platform based in London.](https://millionrounds.com/company/andco) AndCo is a coworking and meeting room booking platform based in London. *Founded* 2017 London, United States **$2.0M** last round Jun 2026
- 18 [**Elaitra** Elaitra is a London-based medical imaging and AI company dedicated to enhancing breast cancer detection.](https://millionrounds.com/company/elaitra) Elaitra is a London-based medical imaging and AI company dedicated to enhancing breast cancer detection. *Founded* 2015 London, United States **$761K** last round Jun 2023
- 19 [**Nuntius** We leverage our ground-breaking proprietary delivery technology, machine learning and superior nucleic acid engineering to develop transformative mRNA therapies.](https://millionrounds.com/company/nuntius) We leverage our ground-breaking proprietary delivery technology, machine learning and superior nucleic acid engineering to develop transformative mRNA therapies. *Founded* 2021 London, United States **$500K** last round Sept 2025
- 20 [**Sigma AI** SIGMA AI, also known as Sigma Financial AI, is a financial technology company that specializes in AI-driven data analytics and market insights for professionals](https://millionrounds.com/company/sigma-ai) SIGMA AI, also known as Sigma Financial AI, is a financial technology company that specializes in AI-driven data analytics and market insights for professionals *Founded* 2021 London, United States **$500K** last round Sept 2022
- 21 [**Magicflow** Magicflow is a private company based in London, United Kingdom, founded in 2019.](https://millionrounds.com/company/magicflow) Magicflow is a private company based in London, United Kingdom, founded in 2019. *Founded* 2019 London, United States **$500K** last round Apr 2023
- 22 [**Zeus AI** Zeus AI Ltd is a technology company based in London that specializes in AI agents for sales engagement and customer conversation automation.](https://millionrounds.com/company/zeus-ai) Zeus AI Ltd is a technology company based in London that specializes in AI agents for sales engagement and customer conversation automation. *Founded* 2023 London, United States **$250K** last round Jan 2024
- 23 [**Immerse** Leading the immersive ecosystem for enterprise.](https://millionrounds.com/company/immerse) Leading the immersive ecosystem for enterprise. *Founded* 2008 London, United States **$200K** last round Jul 2026

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back AI startups in London, United States in the app, with filters, lists and exports.

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## More lists for London, United States

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